One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,8)(9,11)(10,12)(13,14,18,24,15,25,27,37,17,23,32,36,19,20,33,21)(16,28,31,35,29,43,44,39,30,42,41,38,26,40,34,22)(1,2)(3,4)(5,7)(6,10)(8,11)(9,12)(13,15,17,19)(14,20,23,25)(16,29,30,26)(18,27,32,33)(21,36,37,24)(22,38,39,35)(28,40,42,43)(31,44,41,34)(2,4)(5,8,9,10)(6,7,11,12)(14,21)(15,19)(18,33)(20,24)(22,28)(23,37)(25,36)(26,29)(27,32)(31,34)(35,40)(38,43)(39,42)(41,44)(6,11)(7,12)(13,16,17,30)(14,22,23,39)(15,26,19,29)(18,34,32,44)(20,35,25,38)(21,28,37,42)(24,40,36,43)(27,41,33,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.